401100678 has 48 divisors (see below), whose sum is σ = 997963200. Its totient is φ = 115147440.

The previous prime is 401100677. The next prime is 401100779. The reversal of 401100678 is 876001104.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401100677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49548 + ... + 57071.

It is an arithmetic number, because the mean of its divisors is an integer number (20790900).

Almost surely, 2^401100678 is an apocalyptic number.

401100678 is an abundant number, since it is smaller than the sum of its proper divisors (596862522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401100678 is a wasteful number, since it uses less digits than its factorization.

401100678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106657 (or 106654 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 401100678 is about 20027.4980464361. The cubic root of 401100678 is about 737.4815028589.

The spelling of 401100678 in words is "four hundred one million, one hundred thousand, six hundred seventy-eight".